"The median household income of those leaving the Bay Area and those moving into the region reached new highs," according to an article by Issi Romen. Specifically: "In 2016, the median household income of people moving out of the Bay Area reached $81,500 while that of new residents reached $90,000."

As recently as 2013, out-migrants from the San Francisco bay Area were earning a median household income of $61,550 a year. In-migrants were earning $72,100 the same year. By analyzing in a lot more detail the in- and out-migration demographics for the Bay Area, Rossi reveals that the Bay Area is crowding people out—fewer have the necessary income to move in, and more people are not making enough to stay.

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